---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-027225"
form_type: "8-K"
ticker: "MLAB"
cik: "0000724004"
company_name: "MESA LABORATORIES INC /CO/"
filed_at: "2025-08-18T23:59:59+00:00"
generated_at: "2026-05-17T12:13:40.904610+00:00"
event_type: "debt"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Mesa Laboratories draws $97M under credit facility to repay convertible notes due August 2025

## Summary
- Drew $97M under existing Credit Agreement to settle $97.5M of 1.375% Convertible Senior Notes maturing August 2025; total outstanding under credit facility now $108M.
- Interest rate on credit facility currently 7.18%, expected to decrease with Fed rate reductions and an additional 25 bps when net leverage ratio falls below 3.0x (expected by Q3 FY2026).
- Total net leverage ratio was 3.16 as of June 30, 2025; expected principal payments of ~$20M in Q2–Q4 FY2026 with higher payments in FY2027.

## SEC filing metadata
- accession: 0001437749-25-027225
- form_type: 8-K
- ticker: MLAB
- cik: 0000724004
- company_name: MESA LABORATORIES INC /CO/
- filed_at: 2025-08-18T23:59:59+00:00
- event_type: debt
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/724004/000143774925027225/0001437749-25-027225-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/724004/000143774925027225/mlab20250728_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-027225
- JSON: https://secwatch.observer/filing/0001437749-25-027225.json
- Plain text: https://secwatch.observer/filing/0001437749-25-027225.txt

## Key facts
- Debt Financings
  MESA LABORATORIES INC /CO/ incurred credit facility of $97 million at a base rate or a SOFR rate, plus an applicable spread maturing April 5, 2029.
  - Instrument: credit facility
  - Principal: $97 million
  - Rate: a base rate or a SOFR rate, plus an applicable spread
  - Maturity: April 5, 2029
  - Event: incurrence
  source text: On August 12, 2025, Mesa Laboratories, Inc. ("the "Company") drew $97 million under its existing Credit Facility.
  evidence_url: https://www.sec.gov/Archives/edgar/data/724004/000143774925027225/0001437749-25-027225-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.